<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

<form action="/save" method="post">
    <table>
        <tr>
            <td>姓名：<input type="text" name="users[0].name"></td>
            <td>性别：<input type="text" name="users[0].sex"></td>
            <td>年龄：<input type="text" name="users[0].age"></td>
        </tr>
        <tr>
            <td>姓名：<input type="text" name="users[1].name"></td>
            <td>性别：<input type="text" name="users[1].sex"></td>
            <td>年龄：<input type="text" name="users[1].age"></td>
        </tr>
        <tr>
            <td>姓名：<input type="text" name="users[2].name"></td>
            <td>性别：<input type="text" name="users[2].sex"></td>
            <td>年龄：<input type="text" name="users[2].age"></td>
        </tr>
        <tr>
            <input type="submit" value="批量提交">
        </tr>
    </table>
    
</form>

</body>
</html>